1) at what stage does a developing sperm cell begin to grow a tail?
a. spermatozoon
b. spermatid
c. primary spermatocyte
d. secondary spermatocyte
e. spermatogonium
2) which of the following is not a factor that determines the range of motion of a joint?
a. the shapes of the bone surfaces
b. the length of the bone
c. the stiffness of the ligaments
d. the strength of the ligaments
e. the action of the muscles associated with the joint
3) what is all of the dna in a set of 23 chromosomes referred to as?
a. a centromere
b. a chromatid
c. the karyotype
d. the phenotype
e. the genome
4) micturition is another term for __________.
a. the production of nitrogenous wastes
b. glomerular filtration
c. the countercurrent multiplier process
d. inflammation of the urinary bladder
e. the elimination of urine
5) which of the following occurs with hypokalemia?
a. cells are partially depolarized.
b. there is more diffusion of potassium into the cells.
c. cells are more excitable.
d. the resting membrane potential is more positive.
6) the posterior pituitary secretes _________.
a. prolactin (prl)
b. adrenocorticotropic hormone (acth)
c. oxytocin (ot)
d. thyroid hormone (th)
e. growth hormone (gh)
7) the motor pathway of the autonomic nervous system usually involves __________
neurons.
a. no
b. one
c. two
d. three
e. four
8) where are follicles located?
a. medulla of the ovary
b. cortex of the ovary
c. center of the ovum
d. epithelium of the endometrium
e. epithelium of the placenta
9) which of the following is not a characteristic of the enteric nervous system?
a. its reflex arcs are associated with the spinal cord.
b. it does not arise from the spinal cord.
c. it innervates smooth muscle.
d. it innervates glands.
e. it does not arise from the brainstem.
10) which of the followingis not a component of the pancreatic juice?
a. trypsinogen
b. chymotrypsinogen
c. deoxyribonuclease
d. sodium bicarbonate
e. enterokinase
11) most fibers of the parasympathetic nervous system travel in the __________.
a. vagus
b. trigeminal
c. splanchnic
d. facial
e. sciatic
12) all of the following participate in dna replication except __________.
a. dna
b. ribosomes
c. dna ligase
d. dna helicase
e. dna polymerase
13) which of the followinginduces renin secretion, constricts afferent arterioles, and
reduces gfr and urine volume?
a.aldosterone
b.antidiuretic hormone
c.parathyroid hormone
d.norepinephrine
e.angiotensin ii
14) which of the following is not a vein of the lower limb?
a. popliteal vein
b. posterior tibial artery
c. medial plantar artery
d. fibular vein
e. anterior interosseous artery