Nursing Elites

1. Identify the interrogative sentence in the following options:

• A. The delicious pie disappeared quickly.
• B. What is your favorite color?
• C. Please open the window.
• D. He ran as fast as he could.

Correct answer: B

Rationale: An interrogative sentence asks a question and typically ends with a question mark.

2. What term describes the maximum displacement of particles from their rest position in a wave?

• A. Frequency
• B. Wavelength
• C. Amplitude
• D. Velocity

Correct answer: C

Rationale: The term that describes the maximum displacement of particles from their rest position in a wave is called the amplitude. Amplitude is a measure of the strength or intensity of a wave and is represented by the height of the wave from the rest position to the crest (or trough) of the wave. Frequency (A) refers to the number of complete wavelengths that pass a point in a given time, wavelength (B) is the distance between two consecutive crests (or troughs) of a wave, and velocity (D) is the speed of the wave.

3. What effect does doubling the net force applied to an object have on its acceleration, assuming mass remains constant?

• A. Acceleration doubles
• B. Acceleration is halved
• C. Acceleration remains the same
• D. Acceleration quadruples

Correct answer: a

Rationale: According to Newton's second law (F = ma), if mass remains constant and force doubles, acceleration also doubles.

4. During exercise, heart rate increases to deliver more oxygen to the body's tissues. What other cardiovascular response also increases?

• A. Blood pressure decreases
• B. Blood vessel diameter narrows
• C. Blood flow to muscles increases
• D. Blood viscosity thickens

Correct answer: A

Rationale: The correct answer is A: 'Blood pressure decreases.' When the heart rate increases during exercise to deliver more oxygen to the body's tissues, the blood pressure also tends to decrease. This is due to the enhanced efficiency of the heart in pumping blood, resulting in a lower pressure exerted on the blood vessel walls. In contrast, options B and D are incorrect as blood vessel diameter typically widens (dilates) during exercise to facilitate increased blood flow, and blood viscosity does not usually thicken during exercise. Option C is a distractor as blood flow to muscles indeed increases during exercise to meet the higher demand for oxygen and nutrients.

5. Which of Mendel's Laws states that alleles for a gene segregate during gamete formation?

• A. Law of Independent Assortment
• B. Law of Segregation
• C. Law of Dominance
• D. Law of Probability

Correct answer: B

Rationale: Rationale: The Law of Segregation, proposed by Gregor Mendel, states that alleles for a gene segregate during gamete formation. This means that each parent passes on only one allele for each gene to their offspring. This law explains how genetic diversity is maintained and how different combinations of alleles are generated in offspring. The Law of Independent Assortment (option A) states that alleles of different genes assort independently of each other during gamete formation. The Law of Dominance (option C) states that one allele can be dominant over another allele, affecting the phenotype. The Law of Probability (option D) is a general concept that describes the likelihood of a particular event occurring.

6. What is the scientific term for the monthly cycle in females that prepares the body for potential pregnancy?

• A. Ovulation cycle
• B. Menstrual cycle
• C. Implantation cycle
• D. Gestation cycle

Correct answer: B

Rationale: The correct answer is B: 'Menstrual cycle.' The menstrual cycle is the scientific term for the monthly process in females that prepares the body for potential pregnancy. During this cycle, the lining of the uterus thickens to prepare for a fertilized egg, and if no fertilization occurs, the uterus sheds this lining in the form of menstrual bleeding. Ovulation cycle refers specifically to the release of an egg from the ovary, implantation cycle is the process of a fertilized egg attaching to the uterine wall, and gestation cycle is the period of pregnancy from conception to birth. Therefore, the menstrual cycle is the most appropriate term for the monthly process described in the question.

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