A mother asks you when her baby will be able to pick up and hold ...

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A mother asks you when her baby will be able to pick up and hold toys. You would explain to her that in order to be able to willingly grasp an object such as a toy, the baby must first:
 
  a. have the ability to release the object c. lose the involuntary grasp reflex
  b. double the birth weight d. be able to sit up

Question 2

In a terrorist attack, the most likely candidate for a bacterial agent release is:
 
  a. Ricin
  b. Sarin
  c. Anthrax
  d. Smallpox

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Answer to Question 1

C

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A Incorrect. Though the infant has an involuntary grasp reflex, it can also release the object.
B Incorrect. The loss of the involuntary grasp reflex occurs within the first month of life; the birth weight takes about 6 months to double.
C Correct. During the first month of life, a primitive grasp reflex enables the infant to hold objects with a tightly clenched fist. Before the infant is able to willingly grasp a toy, it must first lose the involuntary grasp reflex.
D Incorrect. The loss of the involuntary grasp reflex occurs within the first month of life; the ability to sit up takes much longer.

Answer to Question 2

C
Anthrax is the most likely bacterial agent. Ricin is a toxin, sarin is a chemical agent, and smallpox is viral.

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