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PA-CAT PRACTICE EXAM 1 | 120 QUESTIONS | WITH COMPLETE SOLUTIONS!!
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PA-CAT PRACTICE EXAM 1 | 120 QUESTIONS | WITH COMPLETE SOLUTIONS!!
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PA-CAT PRACTICEEXAM 1 | 120
QUESTIONS | WITH
COMPLETE
SOLUTIONS!!
PA-CAT
Evatee 9/12/24 PA-CAT
,PA-CAT PRACTICE EXAM 1 | 120 QUESTIONS
| WITH COMPLETE SOLUTIONS!!
Imagine that you are walking through a park at night and all of a sudden you
see something run across the path in front of you. Very quickly, you will notice
your body preparing to either fight or run. In stressful situations, humans will
often exhibit this fight-or-flight response. How does this response occur?
Release of the hormone epinephrine (adrenaline)
Release of the hormone insulin
Release of the neurotransmitter serotonin
Release of the neurotransmitter dopamine Answer - Release of the hormone
epinephrine (adrenaline)
Case
Somatic mosaicism is when an individual contains two distinct cell populations
as a result of a postzygotic mutation, with phenotypic consequence partially
influenced by the extent of chromosomal rearrangement.
Question
Chromosomal rearrangement is implicated in what somatic change?
Germinal mutation
2
Malignancy
3
Meiotic segregation
,4
Recombination Answer - Malignancy
Case
A patient presents after 24 hours of fasting.
Question
What source are they using as a substrate for gluconeogenesis?
Amino acids
Even-chain fatty acids
Glucose
Glycogen Answer - Amino acids
Question
Following an automobile accident, physical examination shows damage to a
patient's deltoid muscle and teres minor muscle. The patient is unable to
abduct and laterally rotate their arm. What nerve is likely injured?
Axillary nerve
2
Musculocutaneous nerve
3
Radial nerve
4
Thoracodorsal nerve Answer - Axillary nerve
Question
, A stats class consists of 20 girls and 24 boys. Of these, 15 boys and half of the
mentioned girls study economics. If a person is chosen at random from the
class, find the probability that the person selected is a girl who studies
economics.
1 5/22
2 3/11
3 15/44
4 5/11 Answer - 5/22
Question
Non-coding RNA refers to RNA that is transcribed from DNA but is not
translated into a protein. Non-coding RNA can have many functions, many of
which involve transcription and translation regulation. What type of RNA is
considered a coding RNA?
1
miRNA (micro RNA)
2
mRNA (messenger RNA)
3
piRNA (piwi-interacting RNA)
4
siRNA (small interfering RNA) Answer - mRNA (messenger RNA)
Question
75% of the breast lymphatics drain directly into what nodes?
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