Primitive Reflexes 1

Topic: Adult

Created on Saturday, September 16 2006 by

Last modified on Saturday, September 16 2006.

 
        A) The hand grasp reflex typically appears by birth; and disappears by the time the child is 6 months old
 
        B) The Moro reflex typically appears by birth; and then usually persists as a voluntary movement
 
        C) The Moro reflex typically appears by 34 weeks of gestational age; and disappears by the time the child is 3 months old
 
        D) The Landau reflex typically appears by 34 weeks of gestational age; and disappears by the time the child is 10 months old
 
        E) The suck reflex typically appears by 3 months after birth; and disappears by the time the child is 6 weeks old
 

 

	= Go back to the top of the page.
	= Reload a different version of this question ().
	= Load a random question from the database.
	= Use this question as a template to create a totally NEW question.
	= Enter detailed rating for this question!
	= How users like you have rated this question.

This question was created on September 16, 2006 by .
This question was last modified on September 16, 2006.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

---

A) The hand grasp reflex typically appears by birth; and disappears by the time the child is 6 months old

This answer is incorrect.

The hand grasp reflex typically appears by 34 weeks of gestational age; and disappears by the time the child is 6 months old  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

B) The Moro reflex typically appears by birth; and then usually persists as a voluntary movement

This answer is incorrect.

The Moro reflex typically appears by 34 weeks of gestational age; and disappears by the time the child is 3 months old  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

C) The Moro reflex typically appears by 34 weeks of gestational age; and disappears by the time the child is 3 months old

This answer is correct.

The Moro reflex typically appears by 34 weeks of gestational age; and disappears by the time the child is 3 months old  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

D) The Landau reflex typically appears by 34 weeks of gestational age; and disappears by the time the child is 10 months old

This answer is incorrect.

The Landau reflex typically appears by 3 months after birth; and disappears by the time the child is 2 years old  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

E) The suck reflex typically appears by 3 months after birth; and disappears by the time the child is 6 weeks old

This answer is incorrect.

The suck reflex typically appears by 34 weeks of gestational age; and disappears by the time the child is 4 months old  (See References)

Please log in if you want to rate questions.

 

 

 

 

References:

1. Geyer, J.D., Keating, J.M., and Potts, D.C. (2002). Neurology for the Boards, Second Edition. Lippincott Williams & Wilkins, Philadelphia.

Please log in if you want to rate questions.

 

FrontalCortex.com -- Neurology Review Questions -- Neurology Boards -- Board Review -- Residency Inservice Training Exam -- RITE Exam Review
adult
Primitive Reflexes 1
Question ID: 69161
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 09/16/2006
Modified: 09/16/2006
Estimated Permutations: 0