Deck 21: Reflexes

Question 1

The sequence of neural events that gives rise to reflexive behaviors is called __________.

A) the reflex arc
B) the peripheral nervous system
C) the Moro reflex
D) myelination

Answer 1

A

Question 2

At what age has the grasping reflex declined sufficiently to allow infants to transfer objects from hand to hand across the midline of their bodies, and release objects at will?

A) 2 to 4 months
B) 4 to 6 months
C) 6 to 8 months
D) 8 to 10 months

Answer 2

C

Question 3

Which of the following are classified as permanent reflexes designed to protect against harm?

A) Blinking, stepping, grasping
B) Gag, withdrawal, blinking
C) Startle, gag, withdrawal
D) Withdrawal, startle, blinking

Answer 3

B

Question 4

An infant's head is turned to one side while lying on its back, causing the arm and leg on that side to extend and the arm and leg on the opposite side flex. The infant's reaction is known as the __________.

A) Babinski reflex
B) Moro reflex
C) rooting reflex
D) tonic neck reflex

Question 5

Reflexes are ____________.

A) voluntary stimulus-response behaviors of the human nervous system
B) involuntary stimulus-response behaviors of the human nervous system
C) involuntary stimulus-response behaviors of the human cardiovascular system
D) behaviors that are learned from parents and peers

Question 6

Which of the following refers to the reflex that is triggered when an infant feels as if it is falling?

A) The Moro reflex
B) The sucking reflex
C) The grasping reflex
D) The rooting reflex

Question 7

Which of the following is NOT considered a reflex that will change or disappear with neurological maturity?

A) Babinski reflex
B) Tonic neck
C) Crawling
D) Withdrawal

Question 8

The rooting reflex is considered adaptive because it facilitates feeding and disappears by 4 months.

Question 9

The Moro reflex is considered a permanent reflex.

Question 10

All of the activities needed to sustain life's functions are present at birth.

Question 11

Infants exhibit reflexive behaviors that are virtually identical to those found in older children and adults.