Skeletal muscle consists of bundles of long, nonbranched

12 Jun Skeletal muscle consists of bundles of long, nonbranched

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Question 1(1 point)

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Skeletal muscle consists of bundles of long, nonbranched, multinucleated cells called _________

Question 1 options:

muscle fibers

collagen

hemoglobin

cortisol

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Question 2(1 point)

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In muscle contraction, these slide inward, causing the shortening of the sarcomeres.

Question 2 options:

Cage fibers

Myosin

Actin fibers

Synapses

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Question 3(1 point)

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The toxin produced by this organism selectively blocks inhibitory nerve transmissions from the spinal cord to the muscles resulting in severe spasms that may tear the muscles or fracture the vertebral bones.

Question 3 options:

Bacillus cereus

Clostridium botulinum

Escherichia coli

Clostridium tetani

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Question 4(1 point)

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_____________is a genetic disorder that cause the progressive degeneration (“wasting”) and shrinking of skeletal muscles.

Question 4 options:

Carpal tunnel syndrome

Duchenne muscular dystrophy

Tetanus

Myasthenia gravis

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Question 5(1 point)

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Which is NOT part of the axial skeleton

Question 5 options:

cranium

thorax

pelvic girdle

vertebral column

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Question 6(1 point)

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Which of the following is NOT a difference between male and female skeleton?

Question 6 options:

Nasofrontal is more pronounced in females

Forehead is sloped steeper in females

Chin is more squared in males

Inlet of the true pelvis is heart shaped in males

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Question 7(1 point)

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___________________ is marked by too much calcium in the blood.

Question 7 options:

Hypocalcemia

Hypercalcemia

Hypernatremia

Hypnatremia

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Question 8(1 point)

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Match the following

Question 8 options:

Cleft of the vertebral column.

Congenital defect caused by missing or incomplete fusion of the bones forming the palate.

Dwarfism inherited in the autosomal-dominant mode of inheritance.

Inherited disorder characterized by extremely brittle, easily fractured bones.

1.

Achondroplasia

2.

Osteogenesis imperfecta

3.

Spina bifida

4.

Cleft palate

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Question 9(1 point)

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Match the following

Question 9 options:

major phagocytic cell

T cells and B cells

involved in allergic response with the release of histamine

involved in immune system attack of parasites

1.

neutrophils

2.

eosinophils

3.

basophils

4.

lymphocytes

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Question 10(1 point)

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Which answer indicates all the incompatible blood transfusions possibilities?

Question 10 options:

1,2,5

3, 5

2,3

3,4

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Question 11(1 point)

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You are on duty at the hospital when a pregnant woman is brought in with signs of fetal anemia. You conclude that her antibodies have attacked the fetal RBCs resulting in Hemolytic disease of the newborn. Based on this information you can conclude that

Question 11 options:

A blood type A mother is carrying a blood type O fetus.

A blood type O mother is carrying a blood type A fetus.

A Rh- mother mated with a Rh+ father and is now carrying a Rh+ fetus.

A Rh+ mother mated with a Rh- father and is now carrying a Rh+ fetus.

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Question 12(1 point)

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Which of the following shows the flow of oxygenated blood from the lungs to the body

Question 12 options:

left and right pulmonary veins (the only veins that carry oxygenated blood)? left atrium ? bicuspid valve ? left ventricle ? aortic semilunar valve ? aorta ? body

superior and inferior venae cavae ? right atrium ? tricuspid valve ? right ventricle ? pulmonary semilunar valve ? left and right pulmonary arteries

left and right pulmonary veins (the only veins that carry oxygenated blood)? right atrium ? bicuspid valve ?right ventricle ? aortic semilunar valve ? aorta ? body

superior and inferior venae cavae ? left atrium ? tricuspid valve ? right ventricle ? pulmonary semilunar valve? left pulmonary artery

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Question 13(1 point)

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This occurs when a blood clot, embolus, or other agent blocks the blood supply to the heart.

Question 13 options:

heart attack

embolism

stroke

Arythmia

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Question 14(1 point)

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Match the following

Question 14 options:

an abnormally slow heart rate (less than 50 beats per minute [bpm] for an adult)

infectious disease of the endocardium caused mostly by streptococci, especially Streptococcus viridans, and staphylococci

disease marked by brief, painful episodes of chest pain caused by deficient oxygenation of the heart muscles

When arterial walls are weakened or diseased, they balloon and swell.

1.

aneurysms

2.

Angina

3.

Bradycardia

4.

Endocarditis

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Question 15(1 point)

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This is an infectious disease impacting the lymphatic system results in sore throat, fever, lymphadenopathy, and enlargement of the spleen and liver.

Question 15 options:

Appendicitis

Infectious mononucleosis

Hodgkin’s lymphoma

Lyme disease

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Question 16(1 point)

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In an immune response, which type of cells secrete antibodies?

Question 16 options:

Macrophages

Cytotoxic T-cells

Plasma cells

Helper T-cells

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Question 17(1 point)

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T cells recognize and are activated by antigen in presented with

Question 17 options:

Complement

B cells.

T helper cells

MHC

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Question 18(1 point)

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An example of passive immunity would be

Question 18 options:

Chickenpox infection is followed by lifelong immunity

Chickenpox vaccine triggers extended immunity to chickenpox

Smallpox exposure resulting in death

A fetus acquiring maternal IgG to the chickenpox virus across the placenta

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Question 19(1 point)

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Where does digestion begin?

Question 19 options:

Small intestines

Mouth

stomach

stomach

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Question 20(1 point)

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Which of the following is NOT considered accessory organs of the digestion system?

Question 20 options:

gall bladder

liver

pancreas

stomach

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Question 21(1 point)

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Which of the following is considered “good” cholesterol in the body?

Question 21 options:

medium-density lipoproteins

high-density lipoproteins

low-density lipoproteins

complete-density lipoproteins

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Question 22(1 point)

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What characteristic of the small intestine allows for increased nutrient absorption by increasing the surface area available for use?

Question 22 options:

presence of microvilli

low-density lipoproteins

winding around the abdominal cavity

secretion of bile by the gall bladder

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Question 23(1 point)

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Thestorage of glucose when it is not needed, such as during rest or sleep is done in the form of

Question 23 options:

amylose

glucose

glycogen

muscle tissue

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Question 24(1 point)

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Irritable bowel syndrome has no definitive cause, and so it is classified as a/an

Question 24 options:

congenital disorder

idiopathic disorder

metabolic disorder

neoplastic disorder

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Question 25(1 point)

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These areabnormal growth of a tissue from a mucous membrane such as the colon.

Question 25 options:

hepatitis

ulcers

ablation

polyp

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Question 26(1 point)

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Which of the following is NOT a characteristic ofbulimia nervosa?

Question 26 options:

Binge eating

Purging

occurs mostly in women between 30-50

More common thananorexia

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Question 27(1 point)

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The typical characteristics for binge-eating disorder include binge-eating episodes

Question 27 options:

not accompanied by compensatory behaviors.

that do not cause distress emotionally

as no root in psychological causes.

that include controlled healthy consumption of food.

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Question 28(1 point)

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Which of the following is FALSE regardingexternal respiration (exchange of gases with the external environment)?

Question 28 options:

with inspiration/inhalation, air arrives at the bronchioles in the lungs and then travels to the alveoli

exchange of O2 and CO2 between capillary beds and cells

O2 moves from the alveoli to the capillaries

CO2 moves to the alveoli from the capillaries