Jacob, a 45-year-old man, receives an injection of immunoglobulin after exposure to Hepatitis B. Which of the following statements about the type of immunity Jacob now has are correct? (Select all that apply.)

This form of immunity will last for multiple years.

The injection will stimulate Jacob's body to produce its own antibodies.

The immunity will inhibit further tissue damage.

Jacob's immunity from this injection is temporary.

Answer and Explanation

Correct Answer : C,D

A.   Immunoglobulin injection provides passive immunity, which is temporary and does not confer long-term protection.
B.   Passive immunity is different from active immunity, which is acquired through vaccination or natural infection and involves the stimulation of the recipient's own

immune system to produce antibodies and memory cells that can recognize and eliminate the pathogen in the future.
C.   Passive immunity is effective in preventing or reducing the severity of infections, but it does not last long and does not confer memory or protection against future exposures.
D.   Passive immunity acquired through immunoglobulin injection is temporary and wanes over time.
E.   Immunoglobulin injection provides passive immunity and is not conferred through vaccination, which induces active immunity.

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Correct Answer is D

Explanation

A. While an increasing respiratory rate may indicate respiratory distress, in the context of a closed head injury, decreasing level of consciousness (LOC) is a more concerning trend as it suggests worsening neurological status.
B. A rising heart rate may indicate pain, anxiety, or physiological stress, but it's not as directly related to the severity of a closed head injury.
C. While decreasing blood pressure can be concerning, especially if it indicates hypovolemic shock, in the context of a closed head injury, the primary concern is neurological status.
D. A decreasing LOC suggests worsening neurological function, which can indicate increased intracranial pressure (ICP) or neurological deterioration.

A. Transversus thoracis B. Internal intercostals C. Diaphragm D. External intercostals

Correct Answer is C

Explanation

A. Transversus thoracis is involved in expiration rather than inspiration.

B. Internal intercostals primarily aid in forced expiration.

C. The diaphragm contracts and moves downward during inspiration, increasing the vertical dimensions of the thoracic cavity and allowing air to enter the lungs.
D. External intercostals help elevate the ribs during inspiration but do not contribute significantly to increasing the vertical dimensions of the thoracic cavity.

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Jacob, a 45-year-old man, receives an injection of immunoglobulin after exposure to Hepatitis B. Which of the following statements about the type of immunity Jacob now has are correct? (Select all that apply.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Henry, an 80-year-old man, has had a closed head injury and was unconscious for 5 minutes. Which vital sign trend is most concerning?

Correct Answer is D

Explanation

Emma, a 25-year-old athlete, undergoes a physical exam. During deep inspiration, which muscle is primarily responsible for increasing the vertical dimensions of her thoracic cavity?

Correct Answer is C

Explanation

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