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What is the contraction in graph (d) called?
Figure 10-2 Muscle Contractions
A) complete tetanus
B) incomplete tetanus
C) twitch
D) wave summation
E) treppe
Figure 21-2 Veins
Identify the vein labeled "10."
A) inferior vena cava
B) superior vena cava
C) aorta
D) pulmonary
E) thoracic
The wall between the lateral ventricles is called the
A) cerebral aqueduct.
B) fornix.
C) falx cerebri.
D) corpus callosum.
E) septum pellucidum.
The cessation of menstruation after no more developing follicles remain is called
A) dysmenorrhea.
B) detumescence.
C) menopause.
D) menses.
E) amenorrhea.
The loose connective tissue component of a mucous membrane is called the
A) lamina densa.
B) basal lamina.
C) areolar lamina.
D) lamina propria.
E) mucina lamina.
The level of tonic activity of autonomic neurons determines the ________ of an
individual.
A) isotonic tone
B) clonic activity
C) autonomic tone
D) nervous function
E) action potentials
Figure 24-2 The Wall of the Small Intestine
Contraction of the muscle layer labeled "9" causes the digestive tract to
A) constrict.
B) shorten.
C) dilate.
D) fold for increased surface area.
E) secrete enzymes.
The enzyme that digests starch into disaccharides and trisaccharides is
A) rennin.
B) amylase.
C) lipase.
D) lactase.
E) saccharase.
Identify the structure labeled "5."
A) cervix
B) uterine tube
C) ureter
D) vagina
E) urethra
Identical twins that share body structures are called Siamese or ________ twins.
A) zygotic
B) attached
C) conjoined
D) nonidentical
E) partotic
At what point during excitation contraction coupling does exocytosis play a role?
A) during calcium ion reuptake into the sarcoplasmic reticulum
B) when sodium channels open up on the motor end plate
C) during acetylcholine release from the synaptic terminal
D) when the action potential surges through the T-tubules
E) when ATP splits into ADP and P on the free myosin head
To produce a contraction similar to the one in graph (b), the muscle
Figure 10-2 Muscle Contractions
A) must be stimulated to the point of fatigue.
B) must be stimulated again before it has relaxed from the previous stimulation.
C) is excited by a stimulus of increasing intensity.
D) must go through a rapid series of isolated twitches.
E) generates more and more thin and thick filaments.
Identify the structure labeled "12."
Figure 8-3 The Femur
A) greater trochanter
B) linea aspera
C) head
D) lateral epicondyle
E) lateral condyle
The two lobes of the thyroid gland are connected by the
A) isthmus.
B) pars intermedia.
C) commissure.
D) aqueduct.
E) peninsula.
Each of the following hormones is an amino acid derivative except
A) epinephrine.
B) norepinephrine.
C) thyroid hormone.
D) testosterone.
E) melatonin.
A unique feature of the left lung is the
A) hilum.
B) carina.
C) primary bronchus.
D) cardiac notch.
E) apex.
The anterior lobe of the pituitary is also known as the
A) basal ganglion.
B) infundibulum.
C) adenohypophysis.
D) mesencephalon.
E) neurohypophysis.
Type A blood has ________ antibodies in the blood plasma.
A) anti-A
B) anti-D
C) anti-B
D) anti-Rh
E) anti-O
Blood flows to the placenta through ________ umbilical artery(ies).
A) 1
B) 2
C) 3
D) 4
E) 5
