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### ACT Trick for Quadratics: How to Quickly Find the Vertex Location of a Parabola

To save time when graphing a quadratic function on the ACT Math test, you can quickly find the location of the vertex of the parabola in relation to the [more…]

### ACT Trick for Quadratics: How to Quickly Find the *y*-Intercept of a Parabola

To save time when graphing a quadratic function on the ACT Math test, you can quickly find the location of the *y*-intersept of the parabola based on the sign of the variable [more…]

### ACT Strategies for Adding and Subtracting Matrices

For the ACT Math test, you definitely want to know how to work with matrices. Fortunately, adding and subtracting matrices are both simple and similar operations. [more…]

### ACT Strategy for Multiplying a Matrix by a Real Number

You may encounter ACT Math questions that ask you to multiply an entire matrix by a real number. Fortunately, this is a straightforward operation: Simply multiply the integer by every element in the matrix [more…]

### ACT Strategy for Multiplying a Vertical Matrix by a Horizontal Matrix

On the ACT Math test, you’ll probably have to multiply pairs of matrices that have either one row or one column. An easy way to multiply a vertical matrix by a horizontal matrix is to set up a small grid [more…]

### ACT Strategy for Multiplying a Horizontal Matrix by a Vertical Matrix

On the ACT Math test, you’ll probably have to multiply pairs of matrices that have either one row or one column. An easy way to multiply a horizontal matrix by a vertical matrix is to set up a small grid [more…]

### ACT Strategy for Solving a Matrix Using a Determinant

A *determinant* is a common operation performed on a square matrix. On the ACT Math test, the only determinant formula you need to be familiar with is for a 2 x 2 matrix. Here’s the formula for the determinant [more…]

### Ten Important Things to Remember before Taking the ACT

You can’t be too organized, especially for the ACT Math test. To make sure you get off on the right foot, here are ten items to check off as you approach the test. [more…]

### Understand the Uterus for the Physician Assistant Exam

The Physician Assistant Exam will expect you to understand that without the uterus, reproduction couldn’t occur. Several medical problems can affect the uterus. The organ may move out of place, bleed, [more…]

### Ovary Basics for the Physician Assistant Exam

The two big medical conditions that can affect the ovaries are ovarian cysts and ovarian cancer. These will be covered on the Physician Assistant Exam. Ovarian cysts can cause abdominal and pelvic discomfort [more…]

### A Review of the Cervix for the Physician Assistant Exam

Problems with the cervix often occur in younger women. It’s important to know the basics for the Physician Assistant Exam. Examples include cervical incompetence during pregnancy, cervicitis, cervical [more…]

### Physician Assistant Exam: The Vulva and Vagina

For the Physician Assistant Exam, it is important that you know about tissues that enter the vaginal canal when they shouldn’t, infections and cancer that affects the vulva. These conditions affect many [more…]

### Physician Assistant Exam: The Normal Pregnancy

Pregnancy is an important topic for Physician Assistant Exam questions. You will need to know about the standard of care for pregnant women as well as about normal labor and delivery. [more…]

### How to Deal with Pregnancy Complications for the Physician Assistant Exam

All is well when the pregnancy proceeds normally without any complications. As the Physician Assistant Exam will cover, unfortunately, complications can and do happen in pregnancy. You should be familiar [more…]

### How to Deal with Gestational Bleeding Problems for the Physician Assistant Exam

You will need to know about problems with gestational bleeding for the Physician Assistant Exam. Three bleeding-related complications that can occur during pregnancy include placenta previa, abruptio placentae [more…]

### How to Use Urinalysis for the Physician Assistant Exam

In many Physician Assistant Exam questions about kidney disease, the *urinalysis* (UA) can guide you toward the right answer. Abnormalities of the urine, especially hematuria and proteinuria, are typical [more…]

### Hematuria Questions for the Physician Assistant Exam

*Hematuria,* which means blood in the urine, is a very common clinical problem and will be covered on the Physician Assistant Exam. Being able to evaluate this condition is important because the causes are [more…]

### Proteinuria Questions for the Physician Assistant Exam

You should be familiar with proteinuria for the Physician Assistant Exam. *Proteinuria,* or protein in the urine, is the single most significant prognostic factor in determining the risk of future kidney [more…]

### Physician Assistant Exam: Kidney Failure

The Physician Assistant Exam will expect you to be aware of some common causes of renal failure. *Acute renal failure*(ARF) (or *acute kidney injury* — AKI) is defined as an abrupt rise in the creatinine [more…]

### Physician Assistant Exam: Inflammation of the Kidney

The Physician Assistant Exam will expect you to be familiar with conditions of the kidney. The kidneys can become inflame in multiple areas so you will need to be familiar with nephritis and vasculitis [more…]

### Chronic Kidney Disease Basics for the Physician Assistant Exam

For both the Physician Assistant Exam and in practice, you need to be aware of the stages of chronic kidney disease, issues with anemia and bone health, and indications for dialysis. [more…]

### Kidney Stone Basics for the Physician Assistant Exam

*Kidney stones* (renal calculi) cause pain and hematuria and will be covered on the Physician Assistant Exam. They commonly occur in young and middle-aged men. Here are several big payoff areas dealing with [more…]

### Physician Assistant Exam: The Kidneys and Sodium Levels

The kidneys, of course, regulate electrolyte concentrations. If you work in a hospital setting or are taking the Physician Assistant Exam, no matter what your specialty, you’re interacting with patients [more…]

### Physician Assistant Exam: The Kidneys and Potassium Levels

The Physician Assistant Exam will expect you to know about the kidneys and their job of regulating potassium levels. When the kidneys are not functioning correctly, the body can end up with an excess or [more…]

### Prostate Basics for the Physician Assistant Exam

The Physician Assistant Exam will expect you to know the basic problem areas for the prostate. The three basic prostate problems you should be familiar are benign prostatic hyperplasia [more…]