12 Jun What structure is commonly known as the birth
Question
Question 21
What structure is commonly known as the birth canal?
a. Fallopian tubes (oviducts)
b. Ovary
c. Uterus
d. Vagina
1 points
Question 22
Most land animals have _____ fertilization.
a. internal
b. external
1 points
Question 23
Normal breathing interupted by periods without breathing is known as
a. snoring
b. cyclic breathing rhythm
c. apnea
d. alopecia
1 points
Question 24
The largest portion of the human brain, and that part responsible for consciousness, is the:
a. midbrain
b. corpus callosum
c. cerebrum
d. medulla oblongata
e. cerebellum
1 points
Question 25
Which of the following is NOT involved in a feedback loop in the male reproductive system?
a. Sertoli cells
b. testicular cells
c. adrenal gland
d. anterior pituitary
e. hypothalamus
1 points
Question 26
Smoking cigarettes elevates one’s risk of:
a. Cancer of the throat and mouth
b. Coronary heart disease
c. Lung cancer
d. Bronchitis
e. All of these choices
1 points
Question 27
Which of the following statements is true?
a. All action potentials of the same nerve are alike
b. Receptors respond by graded potential
c. Different nerves convey different information by going to different areas of the brain
d. Differences in intensities may be due to the number of receptors and nerves involved in response
e. All of the above
1 points
Question 28
Passageway between the nasal cavity and larynx
a. Pharynx
b. Bronchi
c. Bronchioles
d. Alveolar ducts
1 points
Question 29
In the process of cell differentiation
a. some daughter cells usually receive varying assortments of genes.
b. cells with identical assortments of genes come to have different individual genes expressed.
c. cells become specialized as a result of meiosis.
d. daughter cells acquire different characteristics as a result of mutations that have occurred.
e. is all of these.
1 points
Question 30
An enlarged prostate
a. may make passage of urine difficult.
b. can be diagnosed by blood tests and physical examination.
c. is a common occurrence as males age.
d. is all of these.
e. can be a sign of cancer.
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