1) in which structure is the arbor vitae found?
a. left cerebral hemisphere
b. tegmentum in the midbrain
c. cerebellum
d. reticular formation
e. diencephalon
2) where do most second-order somesthetic neurons synapse with third-order neurons?
a. midbrain
b. thalamus
c. spinothalamic tract
d. hypothalamus
e. postcentral gyrus
3) sister chromatids are pulled to opposite poles of a cell during __________ of the cell
cycle.
a. the s phase
b. the g2 phase
c. prophase
d. metaphase
e. anaphase
4) what makes a cell responsive to a particular hormone?
a. the chemical properties of the hormone
b. the presence of a receptor for that particular hormone
c. the location of the gland that secretes the hormone
d. the location of the target cells in the body
e. the site where the hormone is secreted
5) oxygen has an atomic number of 8 and an atomic mass of 16. how many valence
electrons does it have?
a. 2
b. 4
c. 6
d. 8
e. 16
6) the protein that acts as a calcium receptor in skeletal muscle is __________.
a. f actin
b. tropomyosin
c. troponin
d. titin
e. dystrophin
7) the neocortex contains which of the following cells?
a. pyramidal and stellate cells
b. pyramidal and purkinje cells
c. purkinje and stellate cells
d. pyramidal, stellate, and purkinje cells
8) which of the following is not a trigger for mass movements of the colon?
a. the gastrocolic reflex
b. the duodenocolic reflex
c. chyme fillingthe duodenum
d. chyme fillingthe stomach
e. the colorectal reflex
9) which form of estrogen is the most potent in pregnancy?
a. estriol
b. estrone
c. estradiol
d. androstenedione
e. equilinin
10) long-term inhibition of thirst is mostly associated with which of the following?
a. cooling of the mouth
b. distention of the stomach by ingested water
c. a drop in blood osmolarity
d. moistening of the mouth
e. increased salivation
11) which of the following is not true ofa patient with anemia?
a. their blood viscosity is increased.
b. they arelethargic.
c. their blood osmolarity is reduced.
d. their resistance to blood flow is reduced.
e. more fluid transfers from their bloodstream into their intercellular spaces.