Human Population and Toxins Resource

There are different perspectives on human population growth and the dynamics associated with population change. Go to CIA World Factbook website using the link in the Topic Materials and choose one developed country (not the United States) and one developing country and compare the following and answer the questions:

Each question should be answered in a minimum of 200 words.

1. Why do you think the population is increasing or decreasing for that country? Try to explain at least two reasons as to why this is happening? (Please refer to your textbook)

2. How do diseases affect the population? Can you think about any diseases that has affected the human population? (Please use peer reviewed sources to support your answer).

3. Looking at the countries you compared, what are the toxins present in the environment that impact human health? Provide one example for each country.

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Question 1

An 18-year-old man presents with periumbilical pain, vomiting, and abdominal cramping over the past 48 hours. Physical examination reveals rebound tenderness and laboratory analysis shows the presence of bandemia and a total WBC of 28,000 mm3. To support the diagnosis of acute appendicitis with suspected appendiceal rupture, you consider obtaining the following abdominal imaging study:

Question options:

1) Magnetic resonance image (MRI).

2) Computed tomography (CT) scan.

3) Ultrasound.

4) Flat plate.

Question 2

Gina is 2 years old and presents with a 3-day history of fever, crankiness, and congested cough. Her respiratory rate is more than 50% of the upper limits of normal for age. Tubular breath sounds are noted at the right lung base. Skin turgor is normal, and she is wearing a wet diaper. She is alert, resisting the examination as age appropriate, and engages in eye contact. Temperature is 38.3° C (101° F). Gina’s diagnostic evaluation should include:

Question options:

1) chest x-ray.

2) urine culture and sensitivity measurement.

3) lumbar puncture.

4) sputum culture.

Question 3

Aortic stenosis in a 15-year-old male is most likely:

Question options:

1) a sequela of rheumatic fever.

2) a result of a congenital defect.

3) calcific in nature.

4) found with atrial septal defect.

Question 4

Which of the following laboratory tests can identify the causative organism of bronchiolitis?

Question options:

1) Nasal washing antigen test.

2) Antibody test via blood sample.

3) Urine culture.

4) A laboratory test is not available.

Question 5

A Still murmur:

Question options:

1) is heard in the presence of cardiac pathology.

2) has a humming or vibratory quality.

3) is a reason for denying sports participation clearance.

4) can become louder when the patient is standing.