1.
What's the name of the part of the brain that's attached to the spinal column?
Correct Answer
A. The brain stem
Explanation
The brain stem is the correct answer because it is the part of the brain that is attached to the spinal column. It is responsible for many vital functions such as controlling breathing, heart rate, and blood pressure. It also serves as a pathway for nerve fibers to transmit signals between the brain and the rest of the body. The brain stem is a crucial component of the central nervous system and plays a vital role in maintaining overall bodily functions.
2.
What's the name of the teeth that crush and grind?
Correct Answer
C. Bicuspids
Explanation
Bicuspids are the teeth that crush and grind food. They are located between the canines and molars and have two cusps or points on the chewing surface. Bicuspids are responsible for breaking down food into smaller pieces, making it easier to swallow and digest. They play an important role in the chewing process and are essential for proper oral function.
3.
If not treated, strep throat can cause what?
Correct Answer
B. Heart damage
Explanation
If not treated, strep throat can cause heart damage. Strep throat is caused by the Streptococcus bacteria, and if left untreated, the bacteria can spread to the heart and cause complications such as rheumatic fever or infective endocarditis. These conditions can lead to damage to the heart valves and other parts of the heart, which can have long-term consequences for cardiovascular health. It is important to seek medical treatment for strep throat to prevent these potential complications.
4.
To protect your hearing, how many decibels (and above) you should avoid?
Correct Answer
D. 85
Explanation
To protect your hearing, it is recommended to avoid sounds that are 85 decibels and above. Exposure to sounds at this level or higher can cause damage to the delicate structures in the ear, leading to hearing loss or other auditory problems. It is important to be mindful of the noise levels in our environment and take necessary precautions, such as using earplugs or limiting exposure to loud sounds, to protect our hearing health.
5.
In REM phase of our sleep, we dream and:
Correct Answer
B. Are in a state ranging from deep sleep drowsiness
Explanation
In the REM phase of our sleep, we experience vivid dreaming and our brain activity is similar to that of being awake. This phase is characterized by rapid eye movements and increased brain activity, similar to when we are in a state ranging from deep sleep drowsiness.
6.
People with diabetes have higher risk for:
Correct Answer
C. Kidney and heart diseases
Explanation
People with diabetes have a higher risk for kidney and heart diseases because high blood sugar levels can damage the blood vessels and organs over time. Diabetes can lead to high blood pressure, which puts additional strain on the kidneys and heart. The kidneys may also be affected by diabetic nephropathy, a condition where the kidneys cannot properly filter waste from the blood. Additionally, diabetes increases the risk of developing cardiovascular diseases such as heart attacks and strokes. Therefore, individuals with diabetes need to manage their blood sugar levels and monitor their kidney and heart health closely.
7.
Dairy (milk products) are full of which minerals?
Correct Answer
D. Calcium and pHospHorus
Explanation
Dairy products are known to be rich in calcium and phosphorus. Calcium is essential for building and maintaining strong bones and teeth, while phosphorus works together with calcium to support bone health and energy metabolism. These minerals are crucial for overall growth and development, making dairy products an important part of a balanced diet.
8.
In general, secondary sexual characteristics start developing at what age?
Correct Answer
C. 11 to 14
Explanation
Secondary sexual characteristics typically start developing in individuals between the ages of 11 to 14. This is the time when hormonal changes occur during puberty, leading to the development of physical traits such as breast development in females, facial hair growth in males, and changes in body shape. The age range of 11 to 14 is considered the average age for the onset of these secondary sexual characteristics, although it can vary from person to person.
9.
Average period length ranges from:
Correct Answer
A. 3 to 7 days
Explanation
The average period length can vary for different individuals, but it generally falls within the range of 3 to 7 days. This means that for most women, their menstrual bleeding typically lasts anywhere from 3 to 7 days.
10.
Fifth grader needs who much sleep?
Correct Answer
C. 10 hours
Explanation
A fifth grader needs 10 hours of sleep. This is because at this age, children are still growing and developing, both physically and mentally. Sufficient sleep is crucial for their overall well-being and optimal functioning during the day. It allows their bodies to rest and recharge, supports healthy brain development, and enhances cognitive abilities, concentration, and memory. Additionally, proper sleep duration contributes to better mood regulation, emotional well-being, and behavior control. Therefore, it is important for fifth graders to get around 10 hours of sleep each night to support their growth, learning, and overall health.