CEN Ultimate Certification Test For Nurses! Trivia Quiz

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| By Gregorynaomi

Gregorynaomi

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Quizzes Created: 1462 | Total Attempts: 834,384

Questions: 10 | Attempts: 433 | Updated: Mar 22, 2023

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CEN Ultimate Certification Test For Nurses! Trivia Quiz - Quiz

CEN Exam is a comprehensive exam set up on topics that are related to emergency nursing and medicine. The exams also check the knowledge of candidates on topics like respiratory system, gynecology and neurology. It's set up for the proper running of knowledge among health officers and to increase the productivity of health persons.

Questions and Answers

1.

What is an emergency hormone?
- A.
  
  Relaxin
- B.
  
  Prolactin
- C.
  
  Adrenaline
- D.
  
  Oxytocin
Correct Answer
C. Adrenaline

Explanation
Adrenaline is an emergency hormone because it is released by the adrenal glands in response to stress or danger. It prepares the body for a fight-or-flight response by increasing heart rate, blood pressure, and energy levels. Adrenaline also enhances the delivery of oxygen and glucose to the muscles, sharpening focus and boosting physical performance. Its effects help individuals react quickly and effectively in emergency situations.

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2.

Which of these is not an excretory product?
- A.
  
  Urea
- B.
  
  Salt
- C.
  
  Water
- D.
  
  Oxygen
Correct Answer
D. Oxygen

Explanation
Oxygen is not an excretory product because it is not produced by the body as a waste product. Instead, oxygen is essential for cellular respiration and is used by the body to produce energy. Excretory products, on the other hand, are substances that are produced by the body as waste and are eliminated from the body. Urea, salt, and water are all examples of excretory products that are eliminated through urine, sweat, and other bodily fluids.

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3.

What is the pregnancy hormone?
- A.
  
  Oxytocin
- B.
  
  Prolactin
- C.
  
  Progesterone
- D.
  
  Relaxin
Correct Answer
C. Progesterone

Explanation
Progesterone is known as the pregnancy hormone because it plays a crucial role in maintaining pregnancy. It is produced by the ovaries and later by the placenta during pregnancy. Progesterone helps to prepare the uterus for implantation of the fertilized egg and supports the growth of the embryo. It also helps to prevent contractions of the uterus that could lead to premature labor. Additionally, progesterone helps to stimulate the development of milk-producing glands in the breasts.

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4.

What is the smallest unit of life?
- A.
  
  Cell
- B.
  
  Tissue
- C.
  
  Organ
- D.
  
  System
Correct Answer
A. Cell

Explanation
The smallest unit of life is a cell. Cells are the basic building blocks of all living organisms and are responsible for carrying out essential functions such as growth, reproduction, and metabolism. They are capable of independently performing these functions and are the fundamental units of structure and function in living organisms.

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5.

Which of these organs perform detoxification?
- A.
  
  Liver
- B.
  
  Kidney
- C.
  
  Lung
- D.
  
  Skin
Correct Answer
A. Liver

Explanation
The liver is responsible for detoxifying harmful substances in the body. It filters toxins from the blood, metabolizes drugs and alcohol, and produces bile, which helps in the digestion and elimination of waste. The liver also plays a crucial role in breaking down and removing metabolic waste products, such as ammonia, from the bloodstream. Therefore, the liver is the organ that performs detoxification in the body.

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6.

What causes vasodilation?
- A.
  
  Zero temperature
- B.
  
  Optimum temperature
- C.
  
  Low temperature
- D.
  
  High temperature
Correct Answer
D. High temperature

Explanation
High temperature causes vasodilation. When the body is exposed to high temperatures, the blood vessels near the surface of the skin expand, allowing more blood to flow through them. This helps to dissipate heat from the body and regulate body temperature. Vasodilation also helps to increase blood flow to the skin, which can promote sweating and aid in cooling the body down.

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7.

Which of these is not a blood type?
- A.
  
  AB
- B.
  
  B
- C.
  
  A
- D.
  
  C
Correct Answer
D. C

Explanation
The answer C is not a blood type because it is not one of the commonly recognized blood types. The commonly recognized blood types are A, B, AB, and O. Each blood type is determined by the presence or absence of specific antigens on the surface of red blood cells. Blood type C does not exist in the ABO blood typing system.

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8.

What is the unit of heredity?
- A.
  
  Gene
- B.
  
  Gamate
- C.
  
  Gonads
- D.
  
  Zygote
Correct Answer
A. Gene

Explanation
A gene is the unit of heredity. Genes are segments of DNA that contain the instructions for building and maintaining an organism. They are passed down from parents to offspring and determine traits such as eye color, height, and susceptibility to certain diseases. Genes are located on chromosomes and are responsible for the variations seen within a species.

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9.

Which of these organs perform homeostasis?
- A.
  
  Kidney
- B.
  
  Brain
- C.
  
  Spinal cord
- D.
  
  Plasma
Correct Answer
A. Kidney

Explanation
The kidney is responsible for maintaining homeostasis in the body. It helps regulate the balance of fluids, electrolytes, and pH levels, as well as removing waste products from the blood. The kidney also plays a crucial role in controlling blood pressure and the production of red blood cells. Therefore, the kidney is the organ that performs homeostasis.

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10.

What are called leukocytes?
- A.
  
  White blood cells
- B.
  
  Red blood cells
- C.
  
  Blood platelets
- D.
  
  Plasma
Correct Answer
A. White blood cells

Explanation
Leukocytes are called white blood cells. These cells are an essential part of the immune system and play a crucial role in fighting off infections and diseases. They are responsible for identifying and destroying pathogens, such as bacteria and viruses, and also help in the healing process. Leukocytes are produced in the bone marrow and circulate throughout the body via the bloodstream. Their presence in the blood is what gives it its white color, hence the name "white blood cells".

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