PACAT Practice Test 1 || with 100% Verified Solutions.
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PACAT Practice
Institution
PACAT Practice
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? correct ans...
PACAT Practice Test 1 || with 100% Verified Solutions.
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? correct answers Malignancy
Rearrangement of chromosomes is a somatic change implicated in malignancy.
After 24 hours of fasting what is the source of energy (for gluconeogensis)? correct answers
Amino Acids
During early stages of fasting, glycogen may be used for glycogenolysis. As fasting continues,
glycogen stores are depleted and other precursors are used, among which are certain amino acids
and odd-chain fatty acids rather than even chain fatty acids.
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? correct answers The axillary nerve innervates the deltoid and teres
minor muscles. If injured, the arm cannot be abducted or laterally rotated.
75% of the breast lymphatics drain directly into what nodes? correct answers Pectoral nodes
Sodium (Na) loses its electron to become sodium ion (Na+). What kind of reaction is this?
correct answers Oxidation reaction
In what part of the body is there a thickened layer of epidermis? correct answers Soles of feet
What kind of ions do nonmetals form? correct answers anions
Anions are negative ions and cations are positive ions.
Nonmetals are neutral elements. During bonding, they gain electron(s) from the metal they are
reacting with and, as a result, get a negative charge.
Anna is negative = anion negative
You are presented with a female patient who shows a pervasive pattern of instability in
interpersonal relationships, self-image, and emotions. This instability of self-image can result in
feelings of emptiness and fears of abandonment. She is very impulsive, often showing feelings of
anger, especially when criticized. She sometimes performs self-harm by cutting herself and
threatens suicide. What disorder may she be exhibiting? correct answers Borderline Personality
Disorder
, Narcissistic personality disorder is characterized by a self-importance and sense of entitlement
that drive a need to be admired.
Paranoid personality disorder is characterized by a pervasive distrust of others, even stemming to
close relationships such as friends, family, and partners. The person becomes suspicious and
guarded with a focus on uncovering clues to validate fears and suspicions of those around them.
Schizoid personality disorder is characterized by directing one's attention on their inner life
rather than the external world, leading to an aloof and introspective nature. The patient may
focus on internal fantasies rather than any social or sexual relationships. There is generally a
dampened emotional response and indifference toward social norms.
Antisocial personality disorder is characterized by a lack of concern for the feelings or needs of
others; social rules and obligations are disregarded. The patient may display heightened
irritability, aggression, and/or impulsiveness with a lack of guilt over consequences. They fail to
learn from their experiences.
A 65-year-old woman slips and falls on the bathroom floor. She has a posterior dislocation of the
hip joint and a fracture of the neck of the femur.
Question:
If the acetabulum is fractured at its posterosuperior margin by dislocation of the hip joint, what
bone could be involved? correct answers Ilium
The acetabulum is a cup-shaped cavity on the lateral side of the hip bone formed superiorly by
the ilium.
The acetabulum is formed posteroinferiorly by the ischium.
The acetabulum is formed anteromedially by the pubis.
The sacrum and the head of the femur do not participate in the formation of the acetabulum.
Hip bones: correct answers ilium (round/top/posterior),
ischium (posterior/bottom),
pubis (anterior/bottom of ilium)
In the urea cycle, what does the synthesis of carbamoyl phosphate depend upon? correct answers
N-AGA
The essential activator of carbamoyl phosphate in the urea cycle is N-Acetylglutamic acid, and
hence, is an important regulator of the urea cycle.
In cattle, the inherited lack of horns is called "polled" and is due to a single gene locus. A breeder
has one line of cattle that are true-breeding for polled and one line of cattle that are true-breeding
for non-polled.
Question
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