devrt bios255n midterm exam

13 Jun devrt bios255n midterm exam

Question
Question 1. Question : (TCO3) Which of the following is a major function of blood?

Student Answer: production of enzymes

production of neurotransmitters

transduction of pressure

transportation of heat

contractility

Comments:

Question 2. Question : (TCO3) Which of the following blood types is a person whose blood cells were agglutinated by anti-A serum but not by anti-B serum nor by anti-Rh serum

Student Answer: B negative

B positive

O negative

O positive

A negative

Comments:

Question 3. Question : (TCO3) Which of the following formed elements in blood only temporarily move through the blood before they become fixed in the tissues as macrophages?

Student Answer: erythrocytes

thrombocytes

monocytes

basophils

eosinophils

Comments:

Question 4. Question : (TCO3) Reduced vitamin B12 absorption from the small intestine due to reduced intrinsic factor production from the stomach results in a condition called

Student Answer: hemorrhagic anemia

aplastic anemia

megaloblastic anemia

pernicious anemia

iron deficiency anemia

Comments:

Question 5. Question : (TCO3) Serum is

Student Answer: the same as plasma

plasma without the clotting factors

the same as lymph

formed during the first step in blood clotting

pulmonary interstitial fluid

Comments:

Question 6. Question : (TCO3) Which of the following precursor cells give rise to T-cells?

Student Answer: myeloid stem cells

meyloblasts

lymphoid stem cells

proerythroblast

megakaryoblast

Comments:

Question 7. Question : (TCO3) Which of the following opposes the action of thromboxane A2 by inhibiting platelet adhesion and release?

Student Answer: heparin

fibrinogen

plasmin

antithrombin

prostacyclin

Comments:

Question 8. Question : (TCO3) Myeloid stem cells reside in

Student Answer: the blood

the yellow marrow

the thymus gland

the red marrow

the spleen

Comments:

Question 9. Question : (TCO1) The tough, inelastic dense connective tissue that surrounds the heart is called the

Student Answer: endocardium

pleura

serous pericardium

fibrous pericardium

epicardium

Comments:

Question 10. Question : (TCO1) During heart transplants, the ______ nerves are severed resulting in a faster resting heart rate (approximately 100 beats per minute) after the transplant

Student Answer: glossopharyngeal

cardiac accelerator

vagus

phrenic

cervical spinal

Comments:

Question 11. Question : (TCO1) Which of the following factors lead to depressed cardiac output?

Student Answer: acidosis

alkalosis

hypoxia

all of the above

none of the above have any depressive effects on the heart

Comments:

Question 12. Question : (TCO1) If a person’s resting heart rate is 70 and their resting stroke volume is 60 ml of blood, then their cardiac output is _______ L/min

Student Answer: 10

4200

4.2

130

1.3

Comments:

Question 13. Question : (TCO1) The purpose of the foramen ovale during fetal life is to

Student Answer: have the blood bypass the stomach

have the blood bypass the liver

have the blood bypass the lungs

have the blood bypass the placenta

have the blood bypass the brain

Comments:

Question 14. Question : (TCO1) Heart murmurs are often heard in individuals with abnormalities in the ____ of the heart.

Student Answer: valves

myocardium

SA node

AV node

endocardium

Comments:

Question 15. Question : (TCO1) Which of the following electrocardiogram (ECG) waves represents ventricular repolarization?

Student Answer: R wave

Q wave

P wave

S wave

T wave

Comments:

Question 16. Question : (TCO1) Which part of the brain contains the cardiovascular center that regulated heart rate?

Student Answer: midbrain

cerebrum

medullar oblongata

cerebellum

thalamus

Comments:

Question 17. Question : (TCO1) Which layer of the heart is comprised of epithelial cells?

Student Answer: myocardium

epicardium

endocardium

pericardium

serous pericardium

Comments:

Question 18. Question : (TCO2) Which of the following categories of hypertensive drugs lower blood pressure by blocking the formation of angtiotensin II, which results in vasodilation and decreased aldosterone secretion?

Student Answer: diuretics

ACE inhibitors

Beta blockers

calcium channel blockers

anabolic steroids

Comments:

Question 19. Question : (TCO2) Which of the following categories would an individual with a blood pressure of 145/95 be placed in?

Student Answer: normal

high normal

prehypertension

stage 1 hypertension

stage 2 hypertension

Comments:

Question 20. Question : (TCO2) Which of the following effectors would NOT be activated as described below in response to hypovolemic shock?

Student Answer: adrenal cortex releases aldosterone

kidneys conserve salt and water

heart rate increases

systemic arterioles vasodilate

heart contractility increases

Comments:

Question 21. Question : (TCO2) Which of the following blood vessels have high pulsing blood pressure?

Student Answer: carotid artery

internal jugular vein

median cubital vein

inferior vena cava

none of the above

Comments:

Question 22. Question : (TCO2) During fetal development, the blood from the pulmonary veins are shunted into the pulmonary arteries by the

Student Answer: ductus arteriousus

foramen ovale

ductus venosus

placenta

ligamentum arteriosum

Comments:

Question 23. Question : (TCO2) Most capillaries throughout the body are

Student Answer: fenestrated capillaries

sinusoids

portal systems

vasoconstrictory throughputs

continuous

Comments:

Question 24. Question : (TCO2) Capillaries are also referred to as

Student Answer: exchange vessels

vasoconstrictors

vasodilators

pressure reservoirs

distributing vessels

Comments:

Question 25. Question : (TCO2) The volume of blood that circulates through the systemic blood vessels in one minute is called

Student Answer: stroke volume

tidal volume

cardiac output

cardiac reserve

total peripheral resistance

Comments:

Question 26. Question : (TCO3) What is the pulse pressure of a person that has a systolic pressure of 150 mm Hg with a diastolic pressure of 90 mm Hg?

Comments:

Question 27. Question : (TCO3) Determine the mean arterial pressure for a patient with an average systolic pressure of 120 mm Hg with a mean diastolic pressure of 60 mm Hg:

Comments:

Question 28. Question : (TCO3) What is the resting cardiac output (in liters) of an athlete with a stroke volume of 75 ml and a resting heart rate of 60 beats/minute?

Question 29. Question : (TCO3) The same athlete during exercise has a heart rate of 180 beats/minute with an increase of stroke volume to 125 ml. What is their cardiac output during exercise?

Question 30. Question : (TCO3) What is the cardiac cycle for a person with a resting heart rate of 80 beats per minute?

Question 31. Question : (TCO3) What is the name of the arteries that supply oxygenated blood to the heart muscle?

Question 32. Question : (TCO3) What is the name of the blood vessel that supplies the pelvic organs and pelvic muscle walls with oxygenated blood?

Question 33. Question : (TCO3) What are the names of the sinuses that drain the brain?

Question 34. Question : (TCO3) What is the name of the major vein that drains into the right femoral vein from the leg and is one of the longest veins in the human body?

Question 35. Question : (TCO3) What is the name of this blood vessel that is highlighted?

Question 36. Question : (TCO3) List and describe the functions of the major components of the blood plasma

Question 37. Question : (TCO1) Discuss the common nutrient sources used by cardiac muscle to produce ATP in a resting individual.

Question 38. Question : (TCO2) Describe the vessel wall characteristics of the five main types of blood vessels that blood travels through from the time it leaves the left ventricle until it returns to the right atrium.