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1) what is the only sense in which signals can reach the cerebral cortex without passing
first through the thalamus?
a. touch
b. smell
c. taste
d. vision
e. equilibrium
2) how is colostrum different than breast milk?
a.it has one-third less protein.
b.it has one-third less lactose.
c.it has one-third less fat.
d.it has one-third the number of immunoglobulins.
3) tendon organs are __________.
a. chemoreceptors
b. visceral receptors
c. proprioceptors
d. pain receptors
e. nociceptors
4) each hemoglobin molecule can transport up to __________ oxygen molecules.
a. 6
b. 2
c. 3
d. 4
e. 5
5) the g1, s, and g2 phases of the cell cycle are collectively called __________.
a. interphase
b. telophase
c. cytokinesis
d. prophase
e. anaphase
6) twins produced when a single egg is fertilized are called __________ twins. twins
produced from two eggs ovulated at the same time are called __________ twins.
a. monozygotic; identical
b. dizygotic; nonidentical
c. monozygotic; dizygotic
d. dizygotic; monozygotic
e. nonidentical; identical
7) the upper motor neurons that control skeletal muscles begin with a soma in the
__________.
a. posterior horn of the spinal cord
b. anterior horn of the spinal cord
c. motor association cortex of the cerebrum
d. postcentral gyrus of the cerebrum
e. precentral gyrus of the cerebrum
8) a bee sting can trigger a massive release of histamine, which causes __________ and
a(n) __________ in arterial blood pressure.
a. vasodilation; decrease
b. vasodilation; increase
c. vasoconstriction; decrease
d. vasoconstriction; increase
e. vasoconstriction; oscillation
9) __________ are found in both male and female external genitalia, but the
___________ is/are only found in the female.
a. corpora cavernosa; urethral orifice
b. corpora cavernosa; bulbourethral glands
c. corpora cavernosa; vestibular bulbs
d. corpus spongiosum; mons pubis
e. corpus spongiosum; urethral orifice
10) the triads of a muscle fiber consist of __________.
a. two a bands and one i band
b. two t tubules and one terminal cisterna
c. two terminal cisternae and one t tubule
d. two thin myofilaments and one thick myofilament
e. two thick myofilaments and one thin myofilament
11) the orgasm-emission phase of the male sexual response is stimulated by
__________.
a. efferent sympathetic signals from the sacral region of the spinal cord
b. efferent sympathetic signals from the lumbar region of the spinal cord
c. efferent parasympathetic signals from the sacral region of the spinal cord
d. efferent parasympathetic signals from the lumbar region of the spinal cord
e. efferent somatic signals from the thoracic region of the spinal cord
12) what is the largest of the cranial nerves and the most important sensory nerve of the
face?
a. accessory nerve (xi)
b. facial nerve (vii)
c. trigeminal nerve (v)
d. hypoglossal nerve (xii)
e. abducens nerve (vi)
