All of the following are true of epidermal ridges except that they
A) extend into the hypodermis.
B) increase surface area and friction on fingertips.
C) cause ridge patterns on the surface of the skin.
D) produce patterns that are determined partially genetically.
E) interconnect with the dermal papillae.
The outer layer of the blastocyst that can penetrate the endometrium is the
A) archegonium.
B) chorion.
C) gastrula.
D) blastula.
E) trophoblast.
Reflexes that activate muscles on the same side of the body as the stimulus are called
A) contralateral.
B) ipsilateral.
C) commensual.
D) involuntary.
E) parasympathetic.
An inflammation of the vaginal canal caused by fungi, bacteria, or parasites is called
A) endometriosis.
B) a UTI.
C) peritonitis.
D) vaginitis.
E) orchitis.
Homeostatic regulation usually involves a(n) ________ that detects a particular
stimulus, and a(n) ________ that responds to the stimulus by communicating with a(n)
________ whose activity has an effect on the same stimulus.
A) control center; effector; receptor
B) receiver; communicator; effector
C) receptor; control center; effector
D) effector; receiver; communicator
E) control center; receiver; effector
Which statement is true regarding the meninges and cerebrospinal fluid of the spinal
cord and brain?
A) Spinal fluid is secreted both in the brain and in the spinal cord areas.
B) There is an epidural space associated with the spinal meninges, but not with the
cranial meninges.
C) The meninges around the brain are not the same as those around the spinal cord.
D) There is a subarachnoid space within the spinal meninges but not the cranial
meninges.
E) The choroid plexuses are located only within the brain, not within the spinal cord.
Identify the structure labeled “7.”
Figure 8-1 The Scapula
A) acromion
B) scapular process
C) spine of scapula
D) coracoid process
E) scapular notch
In a(n) ________ reflex, a sensory neuron synapses directly on a motor neuron.
A) monosynaptic
B) ipsilateral
C) commensual
D) involuntary
E) polysynaptic
The ________ is a procedure that is used to determine the number of each of the
various types of white blood cells.
A) differential count
B) hematocrit
C) sedimentation rate
D) WBC count
E) complete cell count (CBC)
The expanded articular end of an epiphysis that is separated from the shaft by a
narrower neck is called a
A) head.
B) crown.
C) capitulum.
D) corona.
E) bulb.
The ________ are the four masses on the posterior of the midbrain.
A) quadriceps
B) tetrahygena
C) mesencephalon
D) choroid plexuses
E) corpora quadrigemina
The common pathway of coagulation begins with the
A) sticking of platelets to damaged tissue.
B) activation of a proenzyme exposed to collagen.
C) release of tissue factor by damaged endothelium.
D) activation of Factor X, production of prothrombin activator.
E) conversion of fibrinogen to fibrin.
The hormone that stimulates ovulation is
A) luteinizing hormone.
B) FSH.
C) growth hormone.
D) progesterone.
E) testosterone.
Figure 26-2 The Nephron
Where would penicillin be secreted?
A) 6
B) 5
C) 4
D) 3
E) 3 and 4
Which structure is known as the vestibule?
Figure 17-2 The Ear
A) 6
B) 8
C) 9
D) 10
E) 11
The clinical term for a bruise is a(n)
A) infarction.
B) contusion.
C) hemorrhage.
D) sclerotome.
E) thrombus.
How would the loss of acetylcholinesterase from the motor end plate affect skeletal
muscle?
A) It would make the muscles less excitable.
B) It would produce muscle weakness.
C) It would cause muscles to stay contracted.
D) It would cause muscles to stay relaxed.
E) It would have little effect on skeletal muscles.